I used to believe that worms grew up to be snakes. Even when I was corrected, I didn't believe the adults. :-)
A childhood belief about creepy crawlies

others believed things like this
- When I was five, I used to believe that worms grow into snakes.— Mz Dimple
- I used to believe when adults grew up only 4' 9" or lower are still classified as kids.— Jorge
- I always thought that the gummy worms were real worms that had been mummified— The Ice Cream Sandwich Monster
- That adults came into the world as adults and were never childrenAnon
- My mother told me if I ate too much butter I'd get worms. I didn't eat too much butter...— Dicky
- That boys turned into women when they became adults and girls turned into men when they became adults. Anon